叠

In this paper, an effective and practical procedure in time domain,the real mode-superposition method,is proposed.

本文给出一种有效而实用的时域解法———实模态叠加法，此外还介绍了复模态叠加法。

The optimization of the length and position of a regenerator as well as the size of the resonator were studied numerically.

对热声板叠的长度、热声板叠在共振管中的位置以及共振腔的几何大小对热声振荡振幅的影响进行了数值计算。

The construction of royal garden, Gen Yue, gave a great promotion to evolution of rockery, and gave birth to the new professional gardeners.

北宋营建的皇家园林——艮岳，促进了园林叠山技术的发展，也催生了叠山师这一新的职业。

In the paper, the present state of ultra-fine-grained materials, severe plastic deformation and Asymmetrical-ARB are introduced in detail; the craft to fabricate ultra-fine-grained copper using Asymmetrical -ARB is studied fully; the problem of combination of interface is settled; the affect of homogenizing annealing、 annealing and rolling method on mechanical properties of materials prepared by Asymmetrical-ARB is discussed and analyzed when control parameters of rolling mill such as the press—ratio、 the asynchronous rate、 rolling—speed are fixed, and a kind of craft that meets to requirement of experiment is made out.

本文对超细晶、大塑性变形技术、异步轧制目前国内外研究进行了详细的介绍；对异步叠轧方法制备超细晶铜工艺做了较为细致的研究：解决界面复合问题；在压下率、异步比、轧制速度等轧机控制参数固定条件下，探讨了均匀化退火工艺、去应力退火工艺和轧制方式对异步叠轧材料力学性能的影响，并进行了分析，制定出符合实验要求的轧制工艺。

Recently as 1951. If he didn't decide to run for the presidency of

执委会办公桌上堆着一叠叠的报告，内容与联合会杯和世青赛有关。

Sandie Quan is the Hengqin Island in Zhuhai City of Stephen, as a result of spring water from the city of the main peak of the brain City Mountain Fei Liu Triassic formation falls down - small waterfall, waterfall Fei Ling, Ling hidden waterfall named after.

三叠泉是珠海市横琴岛上的名泉，因泉水自市主城区最高峰脑背山飞流直下形成三叠瀑布——大狭瀑、飞凌瀑、隐灵瀑而得名。

We discussed the prestack depth migration techniques and processing flow of ST seis software system and presented the results of 3-D prestack depth migration on the real seismic data from BS6 area.

介绍了基于ST seis系统的Kirchhoff积分法叠前深度偏移的基本原理及处理流程，给出了应用该系统对胜利油田BS6地区三维地震资料叠前深度偏移处理的效果。

The evolution process of self-excited thermoacoustic oscillation in a standing wave tube with a resonator was simulated successfully.

对热声板叠的长度、热声板叠在共振管中的位置以及共振腔的几何大小对热声振荡振幅的影响进行了数值计算。

By analyzing the mechanics relation between the sprocket wheel and the pallets of the pallet draught device in a sintering machine,the non- arching mechanics model of the pallets was established and the force control method for the non- arching sintering machine was put forward.

通过分析带式烧结机台车执行牵引装置的星轮和台车的力学关系，建立了台车无叠肩起拱的力学模型，提出了无叠肩起拱带式烧结机的力控制方法。

New available geological and geochemical data of volcanic rocks indicate the coexistence of an islandarc system in the Gangdese and an extensional setting in the Himalayas during the Early to Middle Permian. Peraluminous Stype granites near Pikang (~263 Ma), the Songdo eclogite of the same metamorphic age (~262 Ma), and the regional angular unconformity between the Middle and the Upper Permian from the same geotectonic location suggest that the presentday Gangdese Retroarc Uplift Belt experienced a syncollisional orogeny at the latest Middle Permian (~263 Ma).

新的地质和地球化学资料显示早-中二叠世时俯冲背景和伸展背景共存于现今的冈底斯带和喜马拉雅带，中二叠世末期(大约263 Ma)侵位的皮康过铝质S型花岗岩以及同期发生的松多榴辉岩的高压变质作用和区域性角度不整合指示现今的冈底斯弧背断隆带在那时经历了同碰撞造山事件。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。